Mary Jo Keenen
Geranium / Old Geranium (voice)

Paul Greenberg
Prissypeo / The Captain / 'Lovely Ship' Steward (voice)

Rob Paulsen
Oobedoob Benubi / Mr. Prickle / Thumbtrooper (voice)

Jim Jackman
Dentist / Boiler Room Guy #1 / Crunchy / Lieutenant (voice)

Mark DeCarlo
Black Helmet Man / The Interviewer / TV Anchor (voice)

David Floyd
Baldie the Thumb Wrestler / Uncle Soondead / Fighter (voice)

Megan Cavanagh
Fighter Pilot #2 / Geranium's Servant (voice)

Ross Shafer
Hand Duet (voice) (as Ross Schaefer)

Andrea Fears
Princess Bunhead (voice)

Mary Mares
No We Can't Be Sinking (voice)

Tim Tarkinan
It's a Big Ship (voice)

Joe Liss
It's a Big Ship!' / Bedwetter / 'I Wet Myself (voice)

Jenny Rose
What a Lovely Big Ship!' / 'We're Going Down! (voice)